Search Trials Combined
search_trials_combinedSearch clinical trials using multiple criteria.
How it works ↓Pricing
Per call
$0.01
Model
flat
Pay only for what you use. No subscriptions.
Inputs
interventions
stringacronyms
stringnct_ids
stringterms
stringsponsors
stringmax_studies
integerconditions
stringfields
stringInput Parameters
Cost per run
Execution cost$0.01
About Search Trials Combined
Search clinical trials using multiple criteria.
This tool allows you to perform a combined search using multiple criteria such as conditions, interventions, sponsors, and general terms.
Input:
conditions: A list of medical conditions to search for.interventions: A list of interventions or treatments to search for.sponsors: A list of sponsor organizations to search for.terms: A list of general search terms.nct_ids: A list of specific NCT IDs to include in the search.max_studies: The maximum number of studies to return. Defaults to 50.fields: A list of specific fields to return in the results. If not provided, returns SEARCH_TOOL_DEFAULTS (9 essential fields: NCTId, BriefTitle, Acronym, Condition, Phase, InterventionName, LeadSponsorName, OverallStatus, HasResults).
Frequently Asked Questions
Search clinical trials using multiple criteria. This tool allows you to perform a combined search using multiple criteria such as conditions, interventions, sponsors, and general terms. Input: - `conditions`: A list of medical conditions to search for. - `interventions`: A list of interventions or treatments to search for. - `sponsors`: A list of sponsor organizations to search for. - `terms`: A list of general search terms. - `nct_ids`: A list of specific NCT IDs to include in the search. - `max_studies`: The maximum number of studies to return. Defaults to 50. - `fields`: A list of specific fields to return in the results. If not provided, returns SEARCH_TOOL_DEFAULTS (9 essential fields: NCTId, BriefTitle, Acronym, Condition, Phase, InterventionName, LeadSponsorName, OverallStatus, HasResults).
Search Trials Combined costs $0.01 per call on xpay. No subscription, no minimums. Pay only for the calls you make. New accounts get $5 in free credits.
Connect the Clinical Trials MCP endpoint to your client — Claude Code: claude mcp add --transport http clinical-trials "https://clinical-trials.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY"; Cursor/Windsurf/Cline/VS Code: same URL in mcp.json. The agent will see search_trials_combined as a callable tool with the input schema and run it directly. (Unified across all providers: https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY, then xpay_run with toolPath clinical-trials/search_trials_combined.)
Yes — that's exactly what xpay is for. You don't need a Clinical Trials account or API key. Sign up at xpay.tools (Google or email), get $5 free credit, and run Search Trials Combined immediately. Billing flows through your xpay balance.
Search Trials Combined accepts 8 input parameters: interventions, acronyms, nct_ids, terms, sponsors, max_studies…. See the input schema and runnable form on this page for details and to test live.